{"product_id":"intelligent-air-circuit-breaker-acb","title":"Intelligent Air Circuit Breaker (ACB) | Up to 6300A","description":"\u003ch1\u003eIntelligent Air Circuit Breaker (ACB) — Suzhou Manufacturer\u003c\/h1\u003e\u003cp\u003eWan Long Electric's \u003cstrong\u003eIntelligent Air Circuit Breaker (ACB)\u003c\/strong\u003e is designed for low-voltage power distribution systems requiring high-current protection and intelligent control. Ideal for main incoming and bus-coupler applications in industrial plants, data centers, and large commercial buildings.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntelligent Electronic Trip Unit:\u003c\/strong\u003e Overload (L), short-circuit (S\/I), ground fault (G), and neutral protection with adjustable settings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Rated Current:\u003c\/strong\u003e 630A to 6300A in fixed and draw-out versions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Breaking Capacity:\u003c\/strong\u003e Icu up to 100kA at 400V AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLCD Display:\u003c\/strong\u003e Real-time display of current, voltage, power, energy, and fault records\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication Interface:\u003c\/strong\u003e RS485 \/ Modbus RTU \/ Profibus DP \/ Ethernet (optional)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZone Selective Interlocking (ZSI):\u003c\/strong\u003e Minimizes fault clearing time and arc flash energy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor Mechanism:\u003c\/strong\u003e Remote electrical open\/close operation available\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRated Voltage: 400V \/ 690V AC\u003c\/li\u003e\n\u003cli\u003eRated Current (In): 630A, 800A, 1000A, 1250A, 1600A, 2000A, 2500A, 3200A, 4000A, 5000A, 6300A\u003c\/li\u003e\n\u003cli\u003eRated Ultimate Breaking Capacity (Icu): 65kA – 100kA @ 400V\u003c\/li\u003e\n\u003cli\u003eRated Service Breaking Capacity (Ics): 100% Icu\u003c\/li\u003e\n\u003cli\u003ePoles: 3P \/ 4P\u003c\/li\u003e\n\u003cli\u003eType: Fixed \/ Draw-out (Withdrawable)\u003c\/li\u003e\n\u003cli\u003eStandards: IEC 60947-2, GB 14048.2\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMain incoming circuit breaker in low voltage switchgear panels\u003c\/li\u003e\n\u003cli\u003eBus-coupler and bus-section breakers\u003c\/li\u003e\n\u003cli\u003eGenerator protection and synchronization panels\u003c\/li\u003e\n\u003cli\u003eData center power distribution units (PDU)\u003c\/li\u003e\n\u003cli\u003eMarine and offshore power systems\u003c\/li\u003e\n\u003cli\u003eUtility substations and transformer secondary protection\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Choose Wan Long Electric?\u003c\/h2\u003e\u003cp\u003eOur ACBs are manufactured under strict ISO 9001 quality management and fully tested to IEC 60947-2 standards. We offer complete customization including trip unit settings, communication protocols, and panel integration support. With fast lead times from our Suzhou factory and global shipping, we serve customers in over 30 countries.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eContact us for a technical consultation and competitive quote.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Wan Long Electric","offers":[{"title":"Default Title","offer_id":43882457858114,"sku":null,"price":0.0,"currency_code":"CNY","in_stock":true}],"url":"https:\/\/wanlongelectric.com\/zh\/products\/intelligent-air-circuit-breaker-acb","provider":"Wan Long Electric Group Co., Ltd.","version":"1.0","type":"link"}